| Forest Grove to Cernavoda | 5,981.45 mi (9,626.21 km) |
| Forest Grove to Chitila | 5,935.01 mi (9,551.48 km) |
| Forest Grove to Cisnadie | 5,824.62 mi (9,373.82 km) |
| Forest Grove to Cluj-Napoca | 5,746.97 mi (9,248.86 km) |
| Forest Grove to Codlea | 5,848.97 mi (9,413.01 km) |
| Forest Grove to Comanesti | 5,819.23 mi (9,365.15 km) |
| Forest Grove to Comarnic | 5,881.03 mi (9,464.61 km) |
| Forest Grove to Constanta | 6,002.56 mi (9,660.18 km) |
| Forest Grove to Corabia | 5,955.19 mi (9,583.95 km) |
| Forest Grove to Costesti | 5,904.76 mi (9,502.79 km) |
| Forest Grove to Covasna | 5,852.15 mi (9,418.12 km) |
| Forest Grove to Craiova | 5,906.47 mi (9,505.54 km) |
| Forest Grove to Cristuru Secuiesc | 5,803.54 mi (9,339.89 km) |
| Forest Grove to Cugir | 5,801.68 mi (9,336.90 km) |
| Forest Grove to Cumpana | 6,004.79 mi (9,663.78 km) |
