| Kailua to Oerlinghausen | 7,301.96 mi (11,751.37 km) |
| Kailua to Oestrich-Winkel | 7,427.30 mi (11,953.08 km) |
| Kailua to Offenburg | 7,529.36 mi (12,117.33 km) |
| Kailua to Oftersheim | 7,475.72 mi (12,031.02 km) |
| Kailua to Ohrdruf | 7,397.65 mi (11,905.36 km) |
| Kailua to Ohringen | 7,496.46 mi (12,064.39 km) |
| Kailua to Olbernhau | 7,428.31 mi (11,954.71 km) |
| Kailua to Olching | 7,580.89 mi (12,200.26 km) |
| Kailua to Oldenburg | 7,218.43 mi (11,616.94 km) |
| Kailua to Oldenburg in Holstein | 7,163.43 mi (11,528.42 km) |
| Kailua to Olfen | 7,305.71 mi (11,757.40 km) |
| Kailua to Olpe | 7,357.36 mi (11,840.52 km) |
| Kailua to Olsberg | 7,341.64 mi (11,815.22 km) |
| Kailua to Oranienburg | 7,285.10 mi (11,724.24 km) |
| Kailua to Ortenberg | 7,414.20 mi (11,932.00 km) |
