| Riverdale to Nasaud | 5,324.56 mi (8,569.04 km) |
| Riverdale to Navodari | 5,609.86 mi (9,028.19 km) |
| Riverdale to Negresti-Oas | 5,263.75 mi (8,471.18 km) |
| Riverdale to Nehoiu | 5,476.92 mi (8,814.25 km) |
| Riverdale to Ocna Mures | 5,339.80 mi (8,593.57 km) |
| Riverdale to Odobesti | 5,488.59 mi (8,833.02 km) |
| Riverdale to Odorheiu Secuiesc | 5,398.35 mi (8,687.80 km) |
| Riverdale to Oltenita | 5,543.32 mi (8,921.10 km) |
| Riverdale to Onesti | 5,456.48 mi (8,781.35 km) |
| Riverdale to Oradea | 5,237.57 mi (8,429.06 km) |
| Riverdale to Orastie | 5,335.84 mi (8,587.21 km) |
| Riverdale to Oravita | 5,307.90 mi (8,542.25 km) |
| Riverdale to Orsova | 5,348.90 mi (8,608.22 km) |
| Riverdale to Otelu Rosu | 5,315.65 mi (8,554.72 km) |
| Riverdale to Otopeni | 5,501.58 mi (8,853.93 km) |
