| Richfield to Opole | 4,661.57 mi (7,502.08 km) |
| Richfield to Orzesze | 4,712.25 mi (7,583.63 km) |
| Richfield to Osowa | 4,497.61 mi (7,238.21 km) |
| Richfield to Ostroda | 4,576.14 mi (7,364.58 km) |
| Richfield to Ostroleka | 4,653.63 mi (7,489.30 km) |
| Richfield to Ostrow Mazowiecka | 4,676.53 mi (7,526.15 km) |
| Richfield to Ostrow Wielkopolski | 4,610.64 mi (7,420.11 km) |
| Richfield to Ostrowiec Swietokrzyski | 4,754.90 mi (7,652.27 km) |
| Richfield to Ostrzeszow | 4,625.43 mi (7,443.91 km) |
| Richfield to Oswiecim | 4,732.47 mi (7,616.17 km) |
| Richfield to Otwock | 4,691.99 mi (7,551.02 km) |
| Richfield to Ozarow Mazowiecki | 4,673.24 mi (7,520.85 km) |
| Richfield to Ozimek | 4,670.02 mi (7,515.66 km) |
| Richfield to Ozorkow | 4,640.11 mi (7,467.54 km) |
| Richfield to Pabianice | 4,658.57 mi (7,497.24 km) |
