| Grand Forks to Cernavoda | 5,246.78 mi (8,443.87 km) |
| Grand Forks to Chitila | 5,179.10 mi (8,334.95 km) |
| Grand Forks to Cisnadie | 5,059.23 mi (8,142.04 km) |
| Grand Forks to Cluj-Napoca | 4,984.76 mi (8,022.20 km) |
| Grand Forks to Codlea | 5,097.14 mi (8,203.06 km) |
| Grand Forks to Comanesti | 5,084.33 mi (8,182.44 km) |
| Grand Forks to Comarnic | 5,127.52 mi (8,251.95 km) |
| Grand Forks to Constanta | 5,273.26 mi (8,486.50 km) |
| Grand Forks to Corabia | 5,177.23 mi (8,331.95 km) |
| Grand Forks to Costesti | 5,138.29 mi (8,269.28 km) |
| Grand Forks to Covasna | 5,109.54 mi (8,223.01 km) |
| Grand Forks to Craiova | 5,125.87 mi (8,249.28 km) |
| Grand Forks to Cristuru Secuiesc | 5,052.40 mi (8,131.05 km) |
| Grand Forks to Cugir | 5,029.19 mi (8,093.70 km) |
| Grand Forks to Cumpana | 5,274.20 mi (8,488.00 km) |
