| Olecko to Orthez | 1,276.70 mi (2,054.65 km) |
| Olecko to Orvault | 1,148.03 mi (1,847.57 km) |
| Olecko to Osny | 938.86 mi (1,510.96 km) |
| Olecko to Ostwald | 740.61 mi (1,191.89 km) |
| Olecko to Ouistreham | 1,024.03 mi (1,648.02 km) |
| Olecko to Oullins | 970.75 mi (1,562.27 km) |
| Olecko to Outreau | 907.76 mi (1,460.90 km) |
| Olecko to Oyonnax | 915.50 mi (1,473.35 km) |
| Olecko to Ozoir-la-Ferriere | 924.24 mi (1,487.43 km) |
| Olecko to Pace | 1,122.28 mi (1,806.13 km) |
| Olecko to Palaiseau | 943.51 mi (1,518.43 km) |
| Olecko to Pamiers | 1,209.04 mi (1,945.77 km) |
| Olecko to Panazol | 1,093.03 mi (1,759.06 km) |
| Olecko to Pantin | 931.04 mi (1,498.36 km) |
| Olecko to Paray-le-Monial | 962.10 mi (1,548.36 km) |
