| Cities | Distance |
|---|---|
| Heidelberg to Oria | 753.58 mi (1,212.77 km) |
| Heidelberg to Oristano | 657.17 mi (1,057.61 km) |
| Heidelberg to Orta Nova | 653.09 mi (1,051.05 km) |
| Heidelberg to Orte | 511.80 mi (823.66 km) |
| Heidelberg to Ortona | 559.19 mi (899.93 km) |
| Heidelberg to Orvieto | 490.44 mi (789.29 km) |
| Heidelberg to Orzinuovi | 283.29 mi (455.91 km) |
| Heidelberg to Osimo | 468.34 mi (753.72 km) |
| Heidelberg to Ospitaletto | 274.20 mi (441.28 km) |
| Heidelberg to Ostuni | 738.57 mi (1,188.62 km) |
| Heidelberg to Ottaviano | 654.65 mi (1,053.56 km) |
| Heidelberg to Ovada | 330.11 mi (531.26 km) |
| Heidelberg to Ozieri | 610.38 mi (982.31 km) |
| Heidelberg to Paceco | 812.56 mi (1,307.69 km) |
| Heidelberg to Pachino | 933.92 mi (1,503.00 km) |