| Portlethen to Chickasha (Oklahoma) | 4,429.15 mi (7,128.02 km) |
| Portlethen to Chico (California) | 4,888.23 mi (7,866.84 km) |
| Portlethen to Chicopee (Massachusetts) | 3,157.75 mi (5,081.91 km) |
| Portlethen to Chillicothe (Ohio) | 3,676.95 mi (5,917.48 km) |
| Portlethen to Chillum (Maryland) | 3,477.94 mi (5,597.20 km) |
| Portlethen to Chino (California) | 5,116.57 mi (8,234.33 km) |
| Portlethen to Chino Hills (California) | 5,120.28 mi (8,240.29 km) |
| Portlethen to Chino Valley (Arizona) | 4,913.73 mi (7,907.88 km) |
| Portlethen to Chippewa Falls (Wisconsin) | 3,682.09 mi (5,925.75 km) |
| Portlethen to Choctaw (Oklahoma) | 4,381.77 mi (7,051.77 km) |
| Portlethen to Chowchilla (California) | 5,003.57 mi (8,052.47 km) |
| Portlethen to Christiansburg (Virginia) | 3,696.55 mi (5,949.03 km) |
| Portlethen to Chubbuck (Idaho) | 4,444.56 mi (7,152.83 km) |
| Portlethen to Chula Vista (California) | 5,177.91 mi (8,333.05 km) |
| Portlethen to Cibolo (Texas) | 4,743.66 mi (7,634.19 km) |
