| Struer to Navodari | 1,209.78 mi (1,946.95 km) |
| Struer to Negresti-Oas | 862.34 mi (1,387.80 km) |
| Struer to Nehoiu | 1,083.42 mi (1,743.59 km) |
| Struer to Ocna Mures | 954.54 mi (1,536.19 km) |
| Struer to Odobesti | 1,084.70 mi (1,745.65 km) |
| Struer to Odorheiu Secuiesc | 1,001.43 mi (1,611.64 km) |
| Struer to Oltenita | 1,162.89 mi (1,871.48 km) |
| Struer to Onesti | 1,049.62 mi (1,689.20 km) |
| Struer to Oradea | 861.76 mi (1,386.86 km) |
| Struer to Orastie | 965.85 mi (1,554.39 km) |
| Struer to Oravita | 972.65 mi (1,565.33 km) |
| Struer to Orsova | 1,009.31 mi (1,624.32 km) |
| Struer to Otelu Rosu | 961.84 mi (1,547.93 km) |
| Struer to Otopeni | 1,120.50 mi (1,803.27 km) |
| Struer to Ovidiu | 1,210.87 mi (1,948.71 km) |
