| New Smyrna Beach to Octeville | 4,260.82 mi (6,857.12 km) |
| New Smyrna Beach to Oignies | 4,446.51 mi (7,155.96 km) |
| New Smyrna Beach to Oissel | 4,384.75 mi (7,056.58 km) |
| New Smyrna Beach to Olivet | 4,447.13 mi (7,156.96 km) |
| New Smyrna Beach to Ollioules | 4,729.73 mi (7,611.77 km) |
| New Smyrna Beach to Olonne-sur-Mer | 4,304.06 mi (6,926.71 km) |
| New Smyrna Beach to Oloron-Sainte-Marie | 4,419.79 mi (7,112.97 km) |
| New Smyrna Beach to Onet Village | 4,548.66 mi (7,320.36 km) |
| New Smyrna Beach to Onnaing | 4,473.65 mi (7,199.64 km) |
| New Smyrna Beach to Orange | 4,657.66 mi (7,495.78 km) |
| New Smyrna Beach to Orchies | 4,457.03 mi (7,172.90 km) |
| New Smyrna Beach to Orleans | 4,446.78 mi (7,156.40 km) |
| New Smyrna Beach to Orly | 4,452.42 mi (7,165.48 km) |
| New Smyrna Beach to Ormesson-sur-Marne | 4,458.02 mi (7,174.49 km) |
| New Smyrna Beach to Orsay | 4,444.26 mi (7,152.35 km) |
