| Harmanli to Oswestry | 1,535.33 mi (2,470.88 km) |
| Harmanli to Otley | 1,506.90 mi (2,425.12 km) |
| Harmanli to Ovenden | 1,510.01 mi (2,430.12 km) |
| Harmanli to Oxford | 1,439.88 mi (2,317.27 km) |
| Harmanli to Oxted | 1,378.25 mi (2,218.08 km) |
| Harmanli to Padbury | 1,432.10 mi (2,304.73 km) |
| Harmanli to Padiham | 1,527.85 mi (2,458.83 km) |
| Harmanli to Paignton | 1,514.24 mi (2,436.94 km) |
| Harmanli to Paisley | 1,658.46 mi (2,669.03 km) |
| Harmanli to Palmers Green | 1,390.22 mi (2,237.34 km) |
| Harmanli to Parkstone | 1,449.35 mi (2,332.50 km) |
| Harmanli to Partick | 1,655.12 mi (2,663.66 km) |
| Harmanli to Patcham | 1,376.25 mi (2,214.86 km) |
| Harmanli to Peebles | 1,609.04 mi (2,589.50 km) |
| Harmanli to Pelsall | 1,487.41 mi (2,393.76 km) |
