| Forest Grove to Chivasso | 5,492.56 mi (8,839.42 km) |
| Forest Grove to Ciampino | 5,814.92 mi (9,358.20 km) |
| Forest Grove to Cicciano | 5,913.71 mi (9,517.19 km) |
| Forest Grove to Cingoli | 5,735.89 mi (9,231.02 km) |
| Forest Grove to Cinisello Balsamo | 5,505.90 mi (8,860.89 km) |
| Forest Grove to Cinisi | 6,046.90 mi (9,731.55 km) |
| Forest Grove to Cirie | 5,482.45 mi (8,823.15 km) |
| Forest Grove to Ciro Marina | 6,074.78 mi (9,776.41 km) |
| Forest Grove to Cislago | 5,493.65 mi (8,841.18 km) |
| Forest Grove to Cisterna di Latina | 5,833.29 mi (9,387.77 km) |
| Forest Grove to Cisternino | 5,997.71 mi (9,652.38 km) |
| Forest Grove to Citta di Castello | 5,706.21 mi (9,183.25 km) |
| Forest Grove to Citta Sant'Angelo | 5,807.67 mi (9,346.54 km) |
| Forest Grove to Cittadella | 5,563.86 mi (8,954.17 km) |
| Forest Grove to Cittanova | 6,112.09 mi (9,836.46 km) |
