| Downham Market to Opole | 762.13 mi (1,226.54 km) |
| Downham Market to Orzesze | 807.38 mi (1,299.36 km) |
| Downham Market to Osowa | 751.33 mi (1,209.15 km) |
| Downham Market to Ostroda | 812.15 mi (1,307.02 km) |
| Downham Market to Ostroleka | 881.32 mi (1,418.35 km) |
| Downham Market to Ostrow Mazowiecka | 897.36 mi (1,444.16 km) |
| Downham Market to Ostrow Wielkopolski | 740.31 mi (1,191.41 km) |
| Downham Market to Ostrowiec Swietokrzyski | 902.45 mi (1,452.35 km) |
| Downham Market to Ostrzeszow | 748.70 mi (1,204.92 km) |
| Downham Market to Oswiecim | 829.66 mi (1,335.21 km) |
| Downham Market to Otwock | 878.48 mi (1,413.78 km) |
| Downham Market to Ozarow Mazowiecki | 857.79 mi (1,380.48 km) |
| Downham Market to Ozimek | 773.73 mi (1,245.20 km) |
| Downham Market to Ozorkow | 797.49 mi (1,283.44 km) |
| Downham Market to Pabianice | 806.00 mi (1,297.13 km) |
