| Martha Lake to Corato | 5,787.64 mi (9,314.30 km) |
| Martha Lake to Corbetta | 5,345.27 mi (8,602.38 km) |
| Martha Lake to Corciano | 5,568.20 mi (8,961.15 km) |
| Martha Lake to Cordenons | 5,405.96 mi (8,700.05 km) |
| Martha Lake to Cori | 5,673.82 mi (9,131.14 km) |
| Martha Lake to Coriano | 5,525.50 mi (8,892.43 km) |
| Martha Lake to Corigliano Calabro | 5,886.27 mi (9,473.04 km) |
| Martha Lake to Corleone | 5,916.39 mi (9,521.51 km) |
| Martha Lake to Cormano | 5,346.60 mi (8,604.52 km) |
| Martha Lake to Cornaredo | 5,346.22 mi (8,603.92 km) |
| Martha Lake to Cornate d'Adda | 5,348.14 mi (8,607.00 km) |
| Martha Lake to Cornedo Vicentino | 5,396.09 mi (8,684.16 km) |
| Martha Lake to Correggio | 5,432.99 mi (8,743.56 km) |
| Martha Lake to Corridonia | 5,590.93 mi (8,997.73 km) |
| Martha Lake to Corsico | 5,352.26 mi (8,613.63 km) |
