| Walthamstow to Opole | 779.17 mi (1,253.96 km) |
| Walthamstow to Orzesze | 822.20 mi (1,323.20 km) |
| Walthamstow to Osowa | 790.97 mi (1,272.94 km) |
| Walthamstow to Ostroda | 847.71 mi (1,364.25 km) |
| Walthamstow to Ostroleka | 913.83 mi (1,470.66 km) |
| Walthamstow to Ostrow Mazowiecka | 928.63 mi (1,494.48 km) |
| Walthamstow to Ostrow Wielkopolski | 763.36 mi (1,228.51 km) |
| Walthamstow to Ostrowiec Swietokrzyski | 923.99 mi (1,487.02 km) |
| Walthamstow to Ostrzeszow | 770.38 mi (1,239.81 km) |
| Walthamstow to Oswiecim | 844.36 mi (1,358.87 km) |
| Walthamstow to Otwock | 906.05 mi (1,458.14 km) |
| Walthamstow to Ozarow Mazowiecki | 885.67 mi (1,425.35 km) |
| Walthamstow to Ozimek | 791.09 mi (1,273.13 km) |
| Walthamstow to Ozorkow | 823.28 mi (1,324.94 km) |
| Walthamstow to Pabianice | 830.02 mi (1,335.80 km) |
