| Heidelberg to Ottendorf-Okrilla | 256.21 mi (412.33 km) |
| Heidelberg to Ottersberg | 255.18 mi (410.67 km) |
| Heidelberg to Ottobrunn | 163.59 mi (263.27 km) |
| Heidelberg to Ottweiler | 69.79 mi (112.32 km) |
| Heidelberg to Overath | 123.09 mi (198.09 km) |
| Heidelberg to Oyten | 252.14 mi (405.78 km) |
| Heidelberg to Paderborn | 159.02 mi (255.92 km) |
| Heidelberg to Papenburg | 258.53 mi (416.06 km) |
| Heidelberg to Parchim | 307.20 mi (494.39 km) |
| Heidelberg to Pasewalk | 362.19 mi (582.89 km) |
| Heidelberg to Passau | 222.93 mi (358.77 km) |
| Heidelberg to Pattensen | 202.17 mi (325.36 km) |
| Heidelberg to Pegnitz | 128.84 mi (207.34 km) |
| Heidelberg to Peine | 211.23 mi (339.94 km) |
| Heidelberg to Peissenberg | 154.97 mi (249.39 km) |
