| Povoa de Santa Iria to Chickasha (Oklahoma) | 4,706.33 mi (7,574.11 km) |
| Povoa de Santa Iria to Chico (California) | 5,542.84 mi (8,920.33 km) |
| Povoa de Santa Iria to Chicopee (Massachusetts) | 3,265.04 mi (5,254.58 km) |
| Povoa de Santa Iria to Chillicothe (Ohio) | 3,843.83 mi (6,186.05 km) |
| Povoa de Santa Iria to Chillum (Maryland) | 3,559.62 mi (5,728.66 km) |
| Povoa de Santa Iria to Chino (California) | 5,643.09 mi (9,081.68 km) |
| Povoa de Santa Iria to Chino Hills (California) | 5,647.17 mi (9,088.24 km) |
| Povoa de Santa Iria to Chino Valley (Arizona) | 5,380.44 mi (8,658.98 km) |
| Povoa de Santa Iria to Chippewa Falls (Wisconsin) | 4,068.24 mi (6,547.19 km) |
| Povoa de Santa Iria to Choctaw (Oklahoma) | 4,657.61 mi (7,495.70 km) |
| Povoa de Santa Iria to Chowchilla (California) | 5,604.91 mi (9,020.23 km) |
| Povoa de Santa Iria to Christiansburg (Virginia) | 3,781.19 mi (6,085.24 km) |
| Povoa de Santa Iria to Chubbuck (Idaho) | 5,031.85 mi (8,097.99 km) |
| Povoa de Santa Iria to Chula Vista (California) | 5,677.31 mi (9,136.74 km) |
| Povoa de Santa Iria to Cibolo (Texas) | 4,930.13 mi (7,934.27 km) |
