| Sun Prairie to Racale | 5,123.58 mi (8,245.61 km) |
| Sun Prairie to Racconigi | 4,504.47 mi (7,249.25 km) |
| Sun Prairie to Raffadali | 5,063.33 mi (8,148.64 km) |
| Sun Prairie to Ragusa | 5,134.34 mi (8,262.93 km) |
| Sun Prairie to Ramacca | 5,111.66 mi (8,226.41 km) |
| Sun Prairie to Randazzo | 5,098.35 mi (8,205.00 km) |
| Sun Prairie to Rapallo | 4,582.51 mi (7,374.83 km) |
| Sun Prairie to Ravanusa | 5,087.42 mi (8,187.42 km) |
| Sun Prairie to Ravenna | 4,693.89 mi (7,554.09 km) |
| Sun Prairie to Recanati | 4,790.44 mi (7,709.46 km) |
| Sun Prairie to Recco | 4,578.55 mi (7,368.47 km) |
| Sun Prairie to Reggello | 4,700.47 mi (7,564.67 km) |
| Sun Prairie to Reggio di Calabria | 5,115.51 mi (8,232.62 km) |
| Sun Prairie to Reggio Emilia | 4,621.59 mi (7,437.73 km) |
| Sun Prairie to Reggiolo | 4,619.26 mi (7,433.98 km) |
