| Wattwil to Opole | 463.57 mi (746.05 km) |
| Wattwil to Orzesze | 482.28 mi (776.15 km) |
| Wattwil to Osowa | 639.52 mi (1,029.21 km) |
| Wattwil to Ostroda | 650.32 mi (1,046.59 km) |
| Wattwil to Ostroleka | 679.69 mi (1,093.86 km) |
| Wattwil to Ostrow Mazowiecka | 682.58 mi (1,098.50 km) |
| Wattwil to Ostrow Wielkopolski | 493.65 mi (794.45 km) |
| Wattwil to Ostrowiec Swietokrzyski | 610.13 mi (981.90 km) |
| Wattwil to Ostrzeszow | 489.07 mi (787.08 km) |
| Wattwil to Oswiecim | 499.42 mi (803.73 km) |
| Wattwil to Otwock | 637.01 mi (1,025.16 km) |
| Wattwil to Ozarow Mazowiecki | 622.67 mi (1,002.09 km) |
| Wattwil to Ozimek | 474.75 mi (764.04 km) |
| Wattwil to Ozorkow | 558.23 mi (898.39 km) |
| Wattwil to Pabianice | 550.93 mi (886.63 km) |
