| Renton to Orbetello | 5,603.85 mi (9,018.53 km) |
| Renton to Oria | 5,877.64 mi (9,459.14 km) |
| Renton to Oristano | 5,685.68 mi (9,150.21 km) |
| Renton to Orta Nova | 5,781.45 mi (9,304.35 km) |
| Renton to Orte | 5,632.03 mi (9,063.87 km) |
| Renton to Ortona | 5,687.81 mi (9,153.64 km) |
| Renton to Orvieto | 5,609.62 mi (9,027.81 km) |
| Renton to Orzinuovi | 5,395.13 mi (8,682.62 km) |
| Renton to Osimo | 5,596.88 mi (9,007.30 km) |
| Renton to Ospitaletto | 5,389.38 mi (8,673.37 km) |
| Renton to Ostuni | 5,862.00 mi (9,433.97 km) |
| Renton to Ottaviano | 5,781.29 mi (9,304.09 km) |
| Renton to Ovada | 5,407.60 mi (8,702.69 km) |
| Renton to Ozieri | 5,656.64 mi (9,103.48 km) |
| Renton to Paceco | 5,906.90 mi (9,506.24 km) |
