| Gresham to Corato | 5,933.06 mi (9,548.33 km) |
| Gresham to Corbetta | 5,487.19 mi (8,830.77 km) |
| Gresham to Corciano | 5,711.33 mi (9,191.50 km) |
| Gresham to Cordenons | 5,551.29 mi (8,933.93 km) |
| Gresham to Cori | 5,816.51 mi (9,360.78 km) |
| Gresham to Coriano | 5,669.45 mi (9,124.09 km) |
| Gresham to Corigliano Calabro | 6,030.90 mi (9,705.79 km) |
| Gresham to Corleone | 6,056.87 mi (9,747.59 km) |
| Gresham to Cormano | 5,488.79 mi (8,833.35 km) |
| Gresham to Cornaredo | 5,488.26 mi (8,832.50 km) |
| Gresham to Cornate d'Adda | 5,490.65 mi (8,836.34 km) |
| Gresham to Cornedo Vicentino | 5,540.11 mi (8,915.94 km) |
| Gresham to Correggio | 5,575.97 mi (8,973.65 km) |
| Gresham to Corridonia | 5,735.18 mi (9,229.88 km) |
| Gresham to Corsico | 5,494.32 mi (8,842.25 km) |
