| Ostend to Carson (California) | 5,562.82 mi (8,952.49 km) |
| Ostend to Carson City (Nevada) | 5,299.27 mi (8,528.35 km) |
| Ostend to Carteret (New Jersey) | 3,606.24 mi (5,803.69 km) |
| Ostend to Cartersville (Georgia) | 4,333.16 mi (6,973.55 km) |
| Ostend to Carthage (Missouri) | 4,555.13 mi (7,330.78 km) |
| Ostend to Cary (Illinois) | 4,079.66 mi (6,565.57 km) |
| Ostend to Cary (North Carolina) | 4,012.43 mi (6,457.39 km) |
| Ostend to Casa de Oro-Mount Helix (California) | 5,584.29 mi (8,987.04 km) |
| Ostend to Casa Grande (Arizona) | 5,405.11 mi (8,698.69 km) |
| Ostend to Casas Adobes (Arizona) | 5,411.33 mi (8,708.70 km) |
| Ostend to Cascades (Virginia) | 3,802.86 mi (6,120.10 km) |
| Ostend to Casper (Wyoming) | 4,680.38 mi (7,532.35 km) |
| Ostend to Casselberry (Florida) | 4,462.78 mi (7,182.15 km) |
| Ostend to Castaic (California) | 5,537.06 mi (8,911.04 km) |
| Ostend to Castle Pines (Colorado) | 4,812.22 mi (7,744.52 km) |
