| Cities | Distance |
|---|---|
| Merzig to Oria | 818.25 mi (1,316.85 km) |
| Merzig to Oristano | 666.48 mi (1,072.59 km) |
| Merzig to Orta Nova | 712.67 mi (1,146.94 km) |
| Merzig to Orte | 556.42 mi (895.47 km) |
| Merzig to Ortona | 616.32 mi (991.87 km) |
| Merzig to Orvieto | 534.11 mi (859.57 km) |
| Merzig to Orzinuovi | 319.83 mi (514.71 km) |
| Merzig to Osimo | 525.60 mi (845.88 km) |
| Merzig to Ospitaletto | 313.68 mi (504.82 km) |
| Merzig to Ostuni | 803.87 mi (1,293.71 km) |
| Merzig to Ottaviano | 706.10 mi (1,136.35 km) |
| Merzig to Ovada | 345.82 mi (556.55 km) |
| Merzig to Ozieri | 623.42 mi (1,003.30 km) |
| Merzig to Paceco | 845.19 mi (1,360.21 km) |
| Merzig to Pachino | 976.93 mi (1,572.21 km) |