| Rockville Centre to Corato | 4,465.73 mi (7,186.90 km) |
| Rockville Centre to Corbetta | 3,990.96 mi (6,422.83 km) |
| Rockville Centre to Corciano | 4,214.35 mi (6,782.34 km) |
| Rockville Centre to Cordenons | 4,135.21 mi (6,654.98 km) |
| Rockville Centre to Cori | 4,294.36 mi (6,911.10 km) |
| Rockville Centre to Coriano | 4,199.31 mi (6,758.14 km) |
| Rockville Centre to Corigliano Calabro | 4,529.58 mi (7,289.65 km) |
| Rockville Centre to Corleone | 4,452.00 mi (7,164.80 km) |
| Rockville Centre to Cormano | 3,999.09 mi (6,435.91 km) |
| Rockville Centre to Cornaredo | 3,994.93 mi (6,429.22 km) |
| Rockville Centre to Cornate d'Adda | 4,008.79 mi (6,451.53 km) |
| Rockville Centre to Cornedo Vicentino | 4,090.28 mi (6,582.68 km) |
| Rockville Centre to Correggio | 4,093.86 mi (6,588.42 km) |
| Rockville Centre to Corridonia | 4,263.88 mi (6,862.05 km) |
| Rockville Centre to Corsico | 4,000.64 mi (6,438.40 km) |
