| Sint-Niklaas to Ottendorf-Okrilla | 419.58 mi (675.26 km) |
| Sint-Niklaas to Ottersberg | 251.13 mi (404.16 km) |
| Sint-Niklaas to Ottobrunn | 399.21 mi (642.46 km) |
| Sint-Niklaas to Ottweiler | 182.77 mi (294.14 km) |
| Sint-Niklaas to Overath | 138.32 mi (222.61 km) |
| Sint-Niklaas to Oyten | 245.04 mi (394.35 km) |
| Sint-Niklaas to Paderborn | 202.58 mi (326.02 km) |
| Sint-Niklaas to Papenburg | 190.86 mi (307.17 km) |
| Sint-Niklaas to Parchim | 360.38 mi (579.98 km) |
| Sint-Niklaas to Pasewalk | 446.22 mi (718.12 km) |
| Sint-Niklaas to Passau | 452.08 mi (727.56 km) |
| Sint-Niklaas to Pattensen | 252.76 mi (406.78 km) |
| Sint-Niklaas to Pegnitz | 340.08 mi (547.30 km) |
| Sint-Niklaas to Peine | 272.78 mi (439.00 km) |
| Sint-Niklaas to Peissenberg | 388.27 mi (624.86 km) |
