| Waipahu to Popovo | 7,955.86 mi (12,803.71 km) |
| Waipahu to Provadia | 7,962.08 mi (12,813.74 km) |
| Waipahu to Radnevo | 8,029.33 mi (12,921.95 km) |
| Waipahu to Radomir | 8,018.83 mi (12,905.06 km) |
| Waipahu to Rakitovo | 8,056.36 mi (12,965.46 km) |
| Waipahu to Rakovski | 8,033.23 mi (12,928.23 km) |
| Waipahu to Razgrad | 7,942.11 mi (12,781.60 km) |
| Waipahu to Razlog | 8,064.30 mi (12,978.23 km) |
| Waipahu to Ruse | 7,924.28 mi (12,752.90 km) |
| Waipahu to Samokov | 8,032.83 mi (12,927.59 km) |
| Waipahu to Sandanski | 8,086.31 mi (13,013.65 km) |
| Waipahu to Sevlievo | 7,981.95 mi (12,845.71 km) |
| Waipahu to Shumen | 7,957.55 mi (12,806.44 km) |
| Waipahu to Silistra | 7,898.68 mi (12,711.70 km) |
| Waipahu to Sliven | 8,001.39 mi (12,877.00 km) |
