| Kilgore to Orbetello | 5,465.48 mi (8,795.84 km) |
| Kilgore to Oria | 5,812.55 mi (9,354.40 km) |
| Kilgore to Oristano | 5,449.31 mi (8,769.81 km) |
| Kilgore to Orta Nova | 5,698.06 mi (9,170.15 km) |
| Kilgore to Orte | 5,513.89 mi (8,873.74 km) |
| Kilgore to Ortona | 5,601.87 mi (9,015.34 km) |
| Kilgore to Orvieto | 5,492.18 mi (8,838.82 km) |
| Kilgore to Orzinuovi | 5,299.16 mi (8,528.17 km) |
| Kilgore to Osimo | 5,518.41 mi (8,881.02 km) |
| Kilgore to Ospitaletto | 5,299.00 mi (8,527.92 km) |
| Kilgore to Ostuni | 5,800.50 mi (9,335.00 km) |
| Kilgore to Ottaviano | 5,666.49 mi (9,119.33 km) |
| Kilgore to Ovada | 5,274.61 mi (8,488.66 km) |
| Kilgore to Ozieri | 5,441.74 mi (8,757.64 km) |
| Kilgore to Paceco | 5,699.82 mi (9,172.98 km) |
