| Sankt Ingbert to Oerlinghausen | 196.36 mi (316.01 km) |
| Sankt Ingbert to Oestrich-Winkel | 62.45 mi (100.51 km) |
| Sankt Ingbert to Offenburg | 68.49 mi (110.23 km) |
| Sankt Ingbert to Oftersheim | 66.27 mi (106.66 km) |
| Sankt Ingbert to Ohrdruf | 191.98 mi (308.97 km) |
| Sankt Ingbert to Ohringen | 107.71 mi (173.34 km) |
| Sankt Ingbert to Olbernhau | 291.78 mi (469.57 km) |
| Sankt Ingbert to Olching | 205.84 mi (331.27 km) |
| Sankt Ingbert to Oldenburg | 269.79 mi (434.18 km) |
| Sankt Ingbert to Oldenburg in Holstein | 380.98 mi (613.13 km) |
| Sankt Ingbert to Olfen | 167.39 mi (269.38 km) |
| Sankt Ingbert to Olpe | 122.78 mi (197.59 km) |
| Sankt Ingbert to Olsberg | 153.93 mi (247.72 km) |
| Sankt Ingbert to Oranienburg | 357.13 mi (574.74 km) |
| Sankt Ingbert to Ortenberg | 113.07 mi (181.98 km) |
