| Illkirch-Graffenstaden to Oestrich-Winkel | 102.35 mi (164.71 km) |
| Illkirch-Graffenstaden to Offenburg | 10.70 mi (17.22 km) |
| Illkirch-Graffenstaden to Oftersheim | 70.09 mi (112.80 km) |
| Illkirch-Graffenstaden to Ohrdruf | 208.18 mi (335.04 km) |
| Illkirch-Graffenstaden to Ohringen | 93.21 mi (150.01 km) |
| Illkirch-Graffenstaden to Olbernhau | 291.41 mi (468.97 km) |
| Illkirch-Graffenstaden to Olching | 166.66 mi (268.21 km) |
| Illkirch-Graffenstaden to Oldenburg | 319.52 mi (514.21 km) |
| Illkirch-Graffenstaden to Oldenburg in Holstein | 421.22 mi (677.89 km) |
| Illkirch-Graffenstaden to Olfen | 220.68 mi (355.16 km) |
| Illkirch-Graffenstaden to Olpe | 171.89 mi (276.63 km) |
| Illkirch-Graffenstaden to Olsberg | 197.77 mi (318.29 km) |
| Illkirch-Graffenstaden to Oranienburg | 378.75 mi (609.55 km) |
| Illkirch-Graffenstaden to Ortenberg | 139.68 mi (224.80 km) |
| Illkirch-Graffenstaden to Oschatz | 306.60 mi (493.42 km) |
