| Midleton to Octeville | 326.14 mi (524.87 km) |
| Midleton to Oignies | 493.31 mi (793.90 km) |
| Midleton to Oissel | 442.96 mi (712.87 km) |
| Midleton to Olivet | 528.01 mi (849.76 km) |
| Midleton to Ollioules | 889.20 mi (1,431.03 km) |
| Midleton to Olonne-sur-Mer | 470.39 mi (757.02 km) |
| Midleton to Oloron-Sainte-Marie | 697.49 mi (1,122.50 km) |
| Midleton to Onet Village | 718.73 mi (1,156.68 km) |
| Midleton to Onnaing | 520.43 mi (837.55 km) |
| Midleton to Orange | 803.32 mi (1,292.82 km) |
| Midleton to Orchies | 503.80 mi (810.79 km) |
| Midleton to Orleans | 526.78 mi (847.77 km) |
| Midleton to Orly | 514.43 mi (827.89 km) |
| Midleton to Ormesson-sur-Marne | 518.82 mi (834.97 km) |
| Midleton to Orsay | 507.84 mi (817.29 km) |
