| Coralville to Oerlinghausen | 4,405.99 mi (7,090.76 km) |
| Coralville to Oestrich-Winkel | 4,460.62 mi (7,178.68 km) |
| Coralville to Offenburg | 4,519.94 mi (7,274.14 km) |
| Coralville to Oftersheim | 4,507.22 mi (7,253.67 km) |
| Coralville to Ohrdruf | 4,524.25 mi (7,281.08 km) |
| Coralville to Ohringen | 4,547.45 mi (7,318.42 km) |
| Coralville to Olbernhau | 4,621.21 mi (7,437.12 km) |
| Coralville to Olching | 4,655.21 mi (7,491.84 km) |
| Coralville to Oldenburg | 4,344.12 mi (6,991.19 km) |
| Coralville to Oldenburg in Holstein | 4,388.05 mi (7,061.88 km) |
| Coralville to Olfen | 4,370.76 mi (7,034.05 km) |
| Coralville to Olpe | 4,414.20 mi (7,103.97 km) |
| Coralville to Olsberg | 4,424.04 mi (7,119.81 km) |
| Coralville to Oranienburg | 4,529.26 mi (7,289.14 km) |
| Coralville to Ortenberg | 4,484.26 mi (7,216.71 km) |
