| Friern Barnet to Opole | 784.98 mi (1,263.31 km) |
| Friern Barnet to Orzesze | 828.08 mi (1,332.66 km) |
| Friern Barnet to Osowa | 795.73 mi (1,280.60 km) |
| Friern Barnet to Ostroda | 852.72 mi (1,372.33 km) |
| Friern Barnet to Ostroleka | 919.02 mi (1,479.02 km) |
| Friern Barnet to Ostrow Mazowiecka | 933.88 mi (1,502.94 km) |
| Friern Barnet to Ostrow Wielkopolski | 768.96 mi (1,237.51 km) |
| Friern Barnet to Ostrowiec Swietokrzyski | 929.67 mi (1,496.16 km) |
| Friern Barnet to Ostrzeszow | 776.03 mi (1,248.90 km) |
| Friern Barnet to Oswiecim | 850.25 mi (1,368.34 km) |
| Friern Barnet to Otwock | 911.48 mi (1,466.88 km) |
| Friern Barnet to Ozarow Mazowiecki | 891.09 mi (1,434.06 km) |
| Friern Barnet to Ozimek | 796.89 mi (1,282.47 km) |
| Friern Barnet to Ozorkow | 828.78 mi (1,333.79 km) |
| Friern Barnet to Pabianice | 835.59 mi (1,344.76 km) |
