| Ottumwa to Carpentras | 4,649.98 mi (7,483.42 km) |
| Ottumwa to Carquefou | 4,263.25 mi (6,861.04 km) |
| Ottumwa to Carqueiranne | 4,730.59 mi (7,613.15 km) |
| Ottumwa to Carrieres-sous-Poissy | 4,342.04 mi (6,987.84 km) |
| Ottumwa to Carrieres-sur-Seine | 4,353.01 mi (7,005.49 km) |
| Ottumwa to Carros | 4,747.49 mi (7,640.34 km) |
| Ottumwa to Carvin | 4,319.87 mi (6,952.16 km) |
| Ottumwa to Castanet-Tolosan | 4,526.30 mi (7,284.38 km) |
| Ottumwa to Castelginest | 4,516.70 mi (7,268.92 km) |
| Ottumwa to Castelnau-le-Lez | 4,620.35 mi (7,435.73 km) |
| Ottumwa to Castelnaudary | 4,552.89 mi (7,327.17 km) |
| Ottumwa to Castelsarrasin | 4,489.86 mi (7,225.74 km) |
| Ottumwa to Castres | 4,554.09 mi (7,329.09 km) |
| Ottumwa to Caudebec-les-Elbeuf | 4,290.82 mi (6,905.41 km) |
| Ottumwa to Caudry | 4,350.39 mi (7,001.28 km) |
