| Marcq-en-Baroeul to Navodari | 1,261.70 mi (2,030.51 km) |
| Marcq-en-Baroeul to Negresti-Oas | 933.46 mi (1,502.26 km) |
| Marcq-en-Baroeul to Nehoiu | 1,128.31 mi (1,815.85 km) |
| Marcq-en-Baroeul to Ocna Mures | 991.16 mi (1,595.12 km) |
| Marcq-en-Baroeul to Odobesti | 1,148.48 mi (1,848.29 km) |
| Marcq-en-Baroeul to Odorheiu Secuiesc | 1,055.79 mi (1,699.13 km) |
| Marcq-en-Baroeul to Oltenita | 1,185.14 mi (1,907.30 km) |
| Marcq-en-Baroeul to Onesti | 1,121.12 mi (1,804.27 km) |
| Marcq-en-Baroeul to Oradea | 888.11 mi (1,429.27 km) |
| Marcq-en-Baroeul to Orastie | 979.14 mi (1,575.78 km) |
| Marcq-en-Baroeul to Oravita | 942.15 mi (1,516.24 km) |
| Marcq-en-Baroeul to Orsova | 983.19 mi (1,582.29 km) |
| Marcq-en-Baroeul to Otelu Rosu | 953.78 mi (1,534.96 km) |
| Marcq-en-Baroeul to Otopeni | 1,144.79 mi (1,842.36 km) |
| Marcq-en-Baroeul to Ovidiu | 1,261.14 mi (2,029.61 km) |
