| Illkirch-Graffenstaden to Opwijk | 230.76 mi (371.38 km) |
| Illkirch-Graffenstaden to Ostend | 283.41 mi (456.10 km) |
| Illkirch-Graffenstaden to Oud-Heverlee | 209.63 mi (337.36 km) |
| Illkirch-Graffenstaden to Oud-Turnhout | 227.76 mi (366.55 km) |
| Illkirch-Graffenstaden to Oudenaarde | 244.08 mi (392.81 km) |
| Illkirch-Graffenstaden to Oudenburg | 278.85 mi (448.77 km) |
| Illkirch-Graffenstaden to Oupeye | 176.89 mi (284.67 km) |
| Illkirch-Graffenstaden to Overijse | 211.04 mi (339.64 km) |
| Illkirch-Graffenstaden to Overpelt | 212.06 mi (341.27 km) |
| Illkirch-Graffenstaden to Paal | 207.26 mi (333.56 km) |
| Illkirch-Graffenstaden to Peer | 206.24 mi (331.91 km) |
| Illkirch-Graffenstaden to Pepinster | 164.55 mi (264.82 km) |
| Illkirch-Graffenstaden to Peruwelz | 230.74 mi (371.34 km) |
| Illkirch-Graffenstaden to Perwez | 194.58 mi (313.15 km) |
| Illkirch-Graffenstaden to Philippeville | 183.44 mi (295.21 km) |
