| Ostend to Castle Rock (Colorado) | 4,816.24 mi (7,750.98 km) |
| Ostend to Castro Valley (California) | 5,450.32 mi (8,771.45 km) |
| Ostend to Catalina Foothills (Arizona) | 5,409.09 mi (8,705.10 km) |
| Ostend to Cataño (Puerto Rico) | 4,331.19 mi (6,970.37 km) |
| Ostend to Cathedral City (California) | 5,506.44 mi (8,861.75 km) |
| Ostend to Catonsville (Maryland) | 3,766.88 mi (6,062.21 km) |
| Ostend to Cave Spring (Virginia) | 3,992.83 mi (6,425.85 km) |
| Ostend to Cayce (South Carolina) | 4,191.20 mi (6,745.08 km) |
| Ostend to Cayey (Puerto Rico) | 4,348.80 mi (6,998.71 km) |
| Ostend to Cedar City (Utah) | 5,180.44 mi (8,337.11 km) |
| Ostend to Cedar Falls (Iowa) | 4,219.81 mi (6,791.13 km) |
| Ostend to Cedar Hill (Texas) | 4,890.04 mi (7,869.77 km) |
| Ostend to Cedar Lake (Indiana) | 4,089.03 mi (6,580.66 km) |
| Ostend to Cedar Mill (Oregon) | 5,010.96 mi (8,064.36 km) |
| Ostend to Cedar Park (Texas) | 5,031.79 mi (8,097.89 km) |
