| Upminster to Ianca | 1,317.34 mi (2,120.05 km) |
| Upminster to Iasi | 1,259.08 mi (2,026.29 km) |
| Upminster to Iernut | 1,136.70 mi (1,829.34 km) |
| Upminster to Ineu | 1,036.21 mi (1,667.62 km) |
| Upminster to Jibou | 1,070.47 mi (1,722.75 km) |
| Upminster to Jilava | 1,286.71 mi (2,070.75 km) |
| Upminster to Jimbolia | 1,011.59 mi (1,627.99 km) |
| Upminster to Liesti | 1,304.05 mi (2,098.66 km) |
| Upminster to Lipova | 1,041.11 mi (1,675.51 km) |
| Upminster to Liteni | 1,203.83 mi (1,937.38 km) |
| Upminster to Ludus | 1,130.11 mi (1,818.74 km) |
| Upminster to Lugoj | 1,064.08 mi (1,712.47 km) |
| Upminster to Lupeni | 1,130.96 mi (1,820.10 km) |
| Upminster to Magurele | 1,284.07 mi (2,066.51 km) |
| Upminster to Mangalia | 1,410.95 mi (2,270.71 km) |
