| Baytown to Orbetello | 5,596.62 mi (9,006.89 km) |
| Baytown to Oria | 5,946.36 mi (9,569.74 km) |
| Baytown to Oristano | 5,573.05 mi (8,968.95 km) |
| Baytown to Orta Nova | 5,831.42 mi (9,384.77 km) |
| Baytown to Orte | 5,646.14 mi (9,086.59 km) |
| Baytown to Ortona | 5,735.79 mi (9,230.86 km) |
| Baytown to Orvieto | 5,624.66 mi (9,052.02 km) |
| Baytown to Orzinuovi | 5,434.71 mi (8,746.32 km) |
| Baytown to Osimo | 5,653.51 mi (9,098.45 km) |
| Baytown to Ospitaletto | 5,434.95 mi (8,746.71 km) |
| Baytown to Ostuni | 5,934.65 mi (9,550.90 km) |
| Baytown to Ottaviano | 5,797.78 mi (9,330.63 km) |
| Baytown to Ovada | 5,407.68 mi (8,702.82 km) |
| Baytown to Ozieri | 5,567.24 mi (8,959.60 km) |
| Baytown to Paceco | 5,823.78 mi (9,372.47 km) |
