| Lopik to Navodari | 1,204.77 mi (1,938.89 km) |
| Lopik to Negresti-Oas | 866.42 mi (1,394.38 km) |
| Lopik to Nehoiu | 1,071.12 mi (1,723.80 km) |
| Lopik to Ocna Mures | 933.42 mi (1,502.19 km) |
| Lopik to Odobesti | 1,087.18 mi (1,749.65 km) |
| Lopik to Odorheiu Secuiesc | 995.12 mi (1,601.50 km) |
| Lopik to Oltenita | 1,134.27 mi (1,825.43 km) |
| Lopik to Onesti | 1,057.62 mi (1,702.08 km) |
| Lopik to Oradea | 830.41 mi (1,336.42 km) |
| Lopik to Orastie | 926.80 mi (1,491.54 km) |
| Lopik to Oravita | 900.10 mi (1,448.58 km) |
| Lopik to Orsova | 940.91 mi (1,514.25 km) |
| Lopik to Otelu Rosu | 906.22 mi (1,458.42 km) |
| Lopik to Otopeni | 1,092.80 mi (1,758.70 km) |
| Lopik to Ovidiu | 1,204.59 mi (1,938.60 km) |
