| Effingham to Carpentras | 4,573.17 mi (7,359.81 km) |
| Effingham to Carquefou | 4,188.08 mi (6,740.06 km) |
| Effingham to Carqueiranne | 4,652.16 mi (7,486.93 km) |
| Effingham to Carrieres-sous-Poissy | 4,278.87 mi (6,886.18 km) |
| Effingham to Carrieres-sur-Seine | 4,290.07 mi (6,904.21 km) |
| Effingham to Carros | 4,673.49 mi (7,521.25 km) |
| Effingham to Carvin | 4,264.29 mi (6,862.71 km) |
| Effingham to Castanet-Tolosan | 4,441.36 mi (7,147.68 km) |
| Effingham to Castelginest | 4,432.31 mi (7,133.11 km) |
| Effingham to Castelnau-le-Lez | 4,540.00 mi (7,306.43 km) |
| Effingham to Castelnaudary | 4,468.00 mi (7,190.55 km) |
| Effingham to Castelsarrasin | 4,406.22 mi (7,091.12 km) |
| Effingham to Castres | 4,470.74 mi (7,194.97 km) |
| Effingham to Caudebec-les-Elbeuf | 4,227.44 mi (6,803.41 km) |
| Effingham to Caudry | 4,294.02 mi (6,910.55 km) |
