| Tampa to Oerlinghausen | 4,764.07 mi (7,667.03 km) |
| Tampa to Oestrich-Winkel | 4,781.01 mi (7,694.29 km) |
| Tampa to Offenburg | 4,813.39 mi (7,746.41 km) |
| Tampa to Oftersheim | 4,820.15 mi (7,757.28 km) |
| Tampa to Ohrdruf | 4,874.55 mi (7,844.84 km) |
| Tampa to Ohringen | 4,862.94 mi (7,826.14 km) |
| Tampa to Olbernhau | 4,984.30 mi (8,021.46 km) |
| Tampa to Olching | 4,965.18 mi (7,990.69 km) |
| Tampa to Oldenburg | 4,720.17 mi (7,596.38 km) |
| Tampa to Oldenburg in Holstein | 4,797.50 mi (7,720.82 km) |
| Tampa to Olfen | 4,717.61 mi (7,592.25 km) |
| Tampa to Olpe | 4,751.29 mi (7,646.46 km) |
| Tampa to Olsberg | 4,770.49 mi (7,677.36 km) |
| Tampa to Oranienburg | 4,925.79 mi (7,927.29 km) |
| Tampa to Ortenberg | 4,816.84 mi (7,751.95 km) |
