| Worcester to Nasaud | 1,228.59 mi (1,977.22 km) |
| Worcester to Navodari | 1,505.12 mi (2,422.25 km) |
| Worcester to Negresti-Oas | 1,169.93 mi (1,882.82 km) |
| Worcester to Nehoiu | 1,371.45 mi (2,207.13 km) |
| Worcester to Ocna Mures | 1,233.81 mi (1,985.62 km) |
| Worcester to Odobesti | 1,389.19 mi (2,235.68 km) |
| Worcester to Odorheiu Secuiesc | 1,296.79 mi (2,086.98 km) |
| Worcester to Oltenita | 1,431.46 mi (2,303.71 km) |
| Worcester to Onesti | 1,360.34 mi (2,189.26 km) |
| Worcester to Oradea | 1,130.60 mi (1,819.53 km) |
| Worcester to Orastie | 1,224.53 mi (1,970.69 km) |
| Worcester to Oravita | 1,191.31 mi (1,917.23 km) |
| Worcester to Orsova | 1,232.34 mi (1,983.27 km) |
| Worcester to Otelu Rosu | 1,201.13 mi (1,933.03 km) |
| Worcester to Otopeni | 1,390.57 mi (2,237.90 km) |
