| Swindon to Opole | 854.69 mi (1,375.49 km) |
| Swindon to Orzesze | 897.75 mi (1,444.79 km) |
| Swindon to Osowa | 861.90 mi (1,387.09 km) |
| Swindon to Ostroda | 920.15 mi (1,480.84 km) |
| Swindon to Ostroleka | 987.20 mi (1,588.74 km) |
| Swindon to Ostrow Mazowiecka | 1,002.32 mi (1,613.08 km) |
| Swindon to Ostrow Wielkopolski | 838.43 mi (1,349.32 km) |
| Swindon to Ostrowiec Swietokrzyski | 999.27 mi (1,608.17 km) |
| Swindon to Ostrzeszow | 845.60 mi (1,360.87 km) |
| Swindon to Oswiecim | 919.91 mi (1,480.46 km) |
| Swindon to Otwock | 980.51 mi (1,577.98 km) |
| Swindon to Ozarow Mazowiecki | 960.07 mi (1,545.08 km) |
| Swindon to Ozimek | 866.60 mi (1,394.65 km) |
| Swindon to Ozorkow | 898.01 mi (1,445.20 km) |
| Swindon to Pabianice | 905.00 mi (1,456.46 km) |
