| Hechingen to Navodari | 974.76 mi (1,568.72 km) |
| Hechingen to Negresti-Oas | 666.97 mi (1,073.38 km) |
| Hechingen to Nehoiu | 843.19 mi (1,356.98 km) |
| Hechingen to Ocna Mures | 708.93 mi (1,140.91 km) |
| Hechingen to Odobesti | 868.45 mi (1,397.63 km) |
| Hechingen to Odorheiu Secuiesc | 776.37 mi (1,249.44 km) |
| Hechingen to Oltenita | 892.36 mi (1,436.12 km) |
| Hechingen to Onesti | 844.68 mi (1,359.38 km) |
| Hechingen to Oradea | 608.11 mi (978.65 km) |
| Hechingen to Orastie | 690.41 mi (1,111.11 km) |
| Hechingen to Oravita | 643.88 mi (1,036.22 km) |
| Hechingen to Orsova | 684.68 mi (1,101.88 km) |
| Hechingen to Otelu Rosu | 660.33 mi (1,062.69 km) |
| Hechingen to Otopeni | 853.52 mi (1,373.61 km) |
| Hechingen to Ovidiu | 973.76 mi (1,567.11 km) |
