| Leighton Buzzard to Opole | 805.85 mi (1,296.89 km) |
| Leighton Buzzard to Orzesze | 849.63 mi (1,367.35 km) |
| Leighton Buzzard to Osowa | 808.45 mi (1,301.07 km) |
| Leighton Buzzard to Ostroda | 867.18 mi (1,395.59 km) |
| Leighton Buzzard to Ostroleka | 934.72 mi (1,504.28 km) |
| Leighton Buzzard to Ostrow Mazowiecka | 950.06 mi (1,528.98 km) |
| Leighton Buzzard to Ostrow Wielkopolski | 787.92 mi (1,268.04 km) |
| Leighton Buzzard to Ostrowiec Swietokrzyski | 949.23 mi (1,527.64 km) |
| Leighton Buzzard to Ostrzeszow | 795.45 mi (1,280.15 km) |
| Leighton Buzzard to Oswiecim | 871.84 mi (1,403.10 km) |
| Leighton Buzzard to Otwock | 929.00 mi (1,495.07 km) |
| Leighton Buzzard to Ozarow Mazowiecki | 908.48 mi (1,462.06 km) |
| Leighton Buzzard to Ozimek | 817.67 mi (1,315.91 km) |
| Leighton Buzzard to Ozorkow | 846.87 mi (1,362.90 km) |
| Leighton Buzzard to Pabianice | 854.29 mi (1,374.84 km) |
