| Altamonte Springs to Octeville | 4,296.98 mi (6,915.32 km) |
| Altamonte Springs to Oignies | 4,482.66 mi (7,214.15 km) |
| Altamonte Springs to Oissel | 4,420.92 mi (7,114.78 km) |
| Altamonte Springs to Olivet | 4,483.28 mi (7,215.15 km) |
| Altamonte Springs to Ollioules | 4,765.74 mi (7,669.72 km) |
| Altamonte Springs to Olonne-sur-Mer | 4,340.15 mi (6,984.80 km) |
| Altamonte Springs to Oloron-Sainte-Marie | 4,455.69 mi (7,170.74 km) |
| Altamonte Springs to Onet Village | 4,584.69 mi (7,378.35 km) |
| Altamonte Springs to Onnaing | 4,509.80 mi (7,257.82 km) |
| Altamonte Springs to Orange | 4,693.70 mi (7,553.79 km) |
| Altamonte Springs to Orchies | 4,493.18 mi (7,231.08 km) |
| Altamonte Springs to Orleans | 4,482.93 mi (7,214.59 km) |
| Altamonte Springs to Orly | 4,488.59 mi (7,223.69 km) |
| Altamonte Springs to Ormesson-sur-Marne | 4,494.18 mi (7,232.69 km) |
| Altamonte Springs to Orsay | 4,480.43 mi (7,210.55 km) |
