| Roosendaal to Navodari | 1,217.30 mi (1,959.06 km) |
| Roosendaal to Negresti-Oas | 882.01 mi (1,419.46 km) |
| Roosendaal to Nehoiu | 1,083.62 mi (1,743.91 km) |
| Roosendaal to Ocna Mures | 945.93 mi (1,522.33 km) |
| Roosendaal to Odobesti | 1,101.07 mi (1,772.01 km) |
| Roosendaal to Odorheiu Secuiesc | 1,008.70 mi (1,623.35 km) |
| Roosendaal to Oltenita | 1,144.72 mi (1,842.26 km) |
| Roosendaal to Onesti | 1,072.23 mi (1,725.59 km) |
| Roosendaal to Oradea | 842.75 mi (1,356.28 km) |
| Roosendaal to Orastie | 937.50 mi (1,508.75 km) |
| Roosendaal to Oravita | 907.35 mi (1,460.25 km) |
| Roosendaal to Orsova | 948.30 mi (1,526.15 km) |
| Roosendaal to Otelu Rosu | 915.30 mi (1,473.03 km) |
| Roosendaal to Otopeni | 1,103.59 mi (1,776.05 km) |
| Roosendaal to Ovidiu | 1,217.00 mi (1,958.57 km) |
