| Tomball to Opole | 5,547.28 mi (8,927.49 km) |
| Tomball to Orzesze | 5,597.46 mi (9,008.24 km) |
| Tomball to Osowa | 5,411.50 mi (8,708.97 km) |
| Tomball to Ostroda | 5,490.17 mi (8,835.58 km) |
| Tomball to Ostroleka | 5,569.06 mi (8,962.53 km) |
| Tomball to Ostrow Mazowiecka | 5,591.43 mi (8,998.54 km) |
| Tomball to Ostrow Wielkopolski | 5,502.99 mi (8,856.21 km) |
| Tomball to Ostrowiec Swietokrzyski | 5,655.90 mi (9,102.29 km) |
| Tomball to Ostrzeszow | 5,516.55 mi (8,878.03 km) |
| Tomball to Oswiecim | 5,618.77 mi (9,042.54 km) |
| Tomball to Otwock | 5,600.25 mi (9,012.74 km) |
| Tomball to Ozarow Mazowiecki | 5,580.47 mi (8,980.90 km) |
| Tomball to Ozimek | 5,556.86 mi (8,942.91 km) |
| Tomball to Ozorkow | 5,540.13 mi (8,915.98 km) |
| Tomball to Pabianice | 5,556.78 mi (8,942.77 km) |
