| Olathe to Orbetello | 5,156.88 mi (8,299.19 km) |
| Olathe to Oria | 5,495.44 mi (8,844.05 km) |
| Olathe to Oristano | 5,159.89 mi (8,304.05 km) |
| Olathe to Orta Nova | 5,382.63 mi (8,662.50 km) |
| Olathe to Orte | 5,202.17 mi (8,372.08 km) |
| Olathe to Ortona | 5,285.43 mi (8,506.08 km) |
| Olathe to Orvieto | 5,179.99 mi (8,336.39 km) |
| Olathe to Orzinuovi | 4,979.89 mi (8,014.35 km) |
| Olathe to Osimo | 5,199.29 mi (8,367.45 km) |
| Olathe to Ospitaletto | 4,978.68 mi (8,012.42 km) |
| Olathe to Ostuni | 5,482.53 mi (8,823.28 km) |
| Olathe to Ottaviano | 5,356.51 mi (8,620.47 km) |
| Olathe to Ovada | 4,961.93 mi (7,985.46 km) |
| Olathe to Ozieri | 5,147.85 mi (8,284.66 km) |
| Olathe to Paceco | 5,408.50 mi (8,704.14 km) |
