| Omaha to Racale | 5,470.09 mi (8,803.25 km) |
| Omaha to Racconigi | 4,854.64 mi (7,812.79 km) |
| Omaha to Raffadali | 5,419.49 mi (8,721.83 km) |
| Omaha to Ragusa | 5,489.90 mi (8,835.14 km) |
| Omaha to Ramacca | 5,466.57 mi (8,797.59 km) |
| Omaha to Randazzo | 5,452.22 mi (8,774.49 km) |
| Omaha to Rapallo | 4,931.79 mi (7,936.95 km) |
| Omaha to Ravanusa | 5,443.31 mi (8,760.17 km) |
| Omaha to Ravenna | 5,039.61 mi (8,110.48 km) |
| Omaha to Recanati | 5,136.49 mi (8,266.38 km) |
| Omaha to Recco | 4,927.90 mi (7,930.68 km) |
| Omaha to Reggello | 5,048.40 mi (8,124.62 km) |
| Omaha to Reggio di Calabria | 5,468.20 mi (8,800.22 km) |
| Omaha to Reggio Emilia | 4,968.61 mi (7,996.21 km) |
| Omaha to Reggiolo | 4,965.64 mi (7,991.43 km) |
