| Ottumwa to Redon | 4,226.97 mi (6,802.65 km) |
| Ottumwa to Reims | 4,406.16 mi (7,091.02 km) |
| Ottumwa to Rennes | 4,226.87 mi (6,802.49 km) |
| Ottumwa to Revel | 4,549.47 mi (7,321.67 km) |
| Ottumwa to Reze | 4,263.92 mi (6,862.12 km) |
| Ottumwa to Riedisheim | 4,591.11 mi (7,388.68 km) |
| Ottumwa to Rillieux-la-Pape | 4,573.19 mi (7,359.84 km) |
| Ottumwa to Riom | 4,499.65 mi (7,241.48 km) |
| Ottumwa to Riorges | 4,530.63 mi (7,291.34 km) |
| Ottumwa to Ris-Orangis | 4,367.44 mi (7,028.72 km) |
| Ottumwa to Rive-de-Gier | 4,573.68 mi (7,360.62 km) |
| Ottumwa to Rivesaltes | 4,612.69 mi (7,423.41 km) |
| Ottumwa to Rixheim | 4,592.51 mi (7,390.93 km) |
| Ottumwa to Roanne | 4,531.98 mi (7,293.52 km) |
| Ottumwa to Roche-la-Moliere | 4,565.83 mi (7,347.99 km) |
