| East Retford to Opole | 821.14 mi (1,321.50 km) |
| East Retford to Orzesze | 867.59 mi (1,396.25 km) |
| East Retford to Osowa | 791.93 mi (1,274.49 km) |
| East Retford to Ostroda | 856.42 mi (1,378.27 km) |
| East Retford to Ostroleka | 928.07 mi (1,493.58 km) |
| East Retford to Ostrow Mazowiecka | 945.14 mi (1,521.05 km) |
| East Retford to Ostrow Wielkopolski | 795.35 mi (1,280.00 km) |
| East Retford to Ostrowiec Swietokrzyski | 957.88 mi (1,541.56 km) |
| East Retford to Ostrzeszow | 804.68 mi (1,295.01 km) |
| East Retford to Oswiecim | 889.85 mi (1,432.08 km) |
| East Retford to Otwock | 929.43 mi (1,495.78 km) |
| East Retford to Ozarow Mazowiecki | 908.58 mi (1,462.22 km) |
| East Retford to Ozimek | 832.49 mi (1,339.76 km) |
| East Retford to Ozorkow | 850.21 mi (1,368.28 km) |
| East Retford to Pabianice | 860.00 mi (1,384.04 km) |
