| Riemst to Navodari | 1,156.62 mi (1,861.40 km) |
| Riemst to Negresti-Oas | 825.42 mi (1,328.39 km) |
| Riemst to Nehoiu | 1,023.03 mi (1,646.41 km) |
| Riemst to Ocna Mures | 885.56 mi (1,425.17 km) |
| Riemst to Odobesti | 1,042.03 mi (1,676.98 km) |
| Riemst to Odorheiu Secuiesc | 949.42 mi (1,527.95 km) |
| Riemst to Oltenita | 1,082.02 mi (1,741.34 km) |
| Riemst to Onesti | 1,014.07 mi (1,631.99 km) |
| Riemst to Oradea | 782.37 mi (1,259.10 km) |
| Riemst to Orastie | 875.25 mi (1,408.59 km) |
| Riemst to Oravita | 842.13 mi (1,355.27 km) |
| Riemst to Orsova | 883.14 mi (1,421.28 km) |
| Riemst to Otelu Rosu | 851.58 mi (1,370.48 km) |
| Riemst to Otopeni | 1,041.23 mi (1,675.70 km) |
| Riemst to Ovidiu | 1,156.18 mi (1,860.69 km) |
