| Altamonte Springs to Oerlinghausen | 4,687.27 mi (7,543.42 km) |
| Altamonte Springs to Oestrich-Winkel | 4,703.61 mi (7,569.73 km) |
| Altamonte Springs to Offenburg | 4,735.63 mi (7,621.26 km) |
| Altamonte Springs to Oftersheim | 4,742.63 mi (7,632.52 km) |
| Altamonte Springs to Ohrdruf | 4,797.55 mi (7,720.91 km) |
| Altamonte Springs to Ohringen | 4,785.43 mi (7,701.40 km) |
| Altamonte Springs to Olbernhau | 4,907.44 mi (7,897.76 km) |
| Altamonte Springs to Olching | 4,887.55 mi (7,865.75 km) |
| Altamonte Springs to Oldenburg | 4,643.71 mi (7,473.33 km) |
| Altamonte Springs to Oldenburg in Holstein | 4,721.64 mi (7,598.74 km) |
| Altamonte Springs to Olfen | 4,640.65 mi (7,468.40 km) |
| Altamonte Springs to Olpe | 4,674.15 mi (7,522.32 km) |
| Altamonte Springs to Olsberg | 4,693.49 mi (7,553.44 km) |
| Altamonte Springs to Oranienburg | 4,849.57 mi (7,804.63 km) |
| Altamonte Springs to Ortenberg | 4,739.59 mi (7,627.64 km) |
