| Riverton to Opole | 5,447.70 mi (8,767.23 km) |
| Riverton to Orzesze | 5,497.75 mi (8,847.77 km) |
| Riverton to Osowa | 5,252.37 mi (8,452.87 km) |
| Riverton to Ostroda | 5,328.68 mi (8,575.68 km) |
| Riverton to Ostroleka | 5,402.27 mi (8,694.11 km) |
| Riverton to Ostrow Mazowiecka | 5,425.31 mi (8,731.19 km) |
| Riverton to Ostrow Wielkopolski | 5,390.16 mi (8,674.62 km) |
| Riverton to Ostrowiec Swietokrzyski | 5,520.19 mi (8,883.88 km) |
| Riverton to Ostrzeszow | 5,406.06 mi (8,700.21 km) |
| Riverton to Oswiecim | 5,516.22 mi (8,877.50 km) |
| Riverton to Otwock | 5,449.38 mi (8,769.93 km) |
| Riverton to Ozarow Mazowiecki | 5,432.48 mi (8,742.73 km) |
| Riverton to Ozimek | 5,454.62 mi (8,778.36 km) |
| Riverton to Ozorkow | 5,409.47 mi (8,705.70 km) |
| Riverton to Pabianice | 5,429.74 mi (8,738.32 km) |
